but rupert murdoch didn't take the blame for rupert murdoch's phone hacking scandal. charlie d'agata reports. >> reporter: rupert murdock is defending his blown empire but 2 1/2 hours into questioning he had to defend himself. a man lunged at him with a plateful of foam. his wife jumped to his rescue before the police arrested the protestor. earlier his son james apologized for phone hacking at the family's "news of the world" newspaper. >> it's a matter of great regret. >> reporter: politicians fired questions at the murdochs all on live tv. >> mr. murdoch do you accept ultimately you are responsible for the whole fiasco? >> no. >> you are not responsible? who is responsible? >> the people that i trusted to run and then maybe the people they trusted. >> reporter: murdoch employees are accused of tapping the voicemails of murder victims, politicians, even the families of 9/11 victims. former "news of the world" editor rebekah brooks also took the hot seat and chose her words carefully. she is already under police investigation. >> things went badly wrong at the "news